Half Price Standard Code

Drill Stem Performance Properties, Seventeenth Edition
standard by American Petroleum Institute, 04/01/2023

Specification for High-Test Line Pipe, Fourth Edition, Includes Supplement 1 (1954)
standard by American Petroleum Institute, 02/01/1954

Recommended Practice for Classification of Locations for Electrical Installations at Petroleum Facilities Classified as Class I, Division 1, and Division 2, Fourth Edition
standard by American Petroleum Institute, 06/01/2023

Interval Control Valves (ICV) First Edition
standard by American Petroleum Institute, 06/01/2023

Reciprocating Compressors for General Refinery Services
standard by American Petroleum Institute, 02/01/1986

Specification for High-Test Line Pipe, Sixteenth Edition, Includes Supplement 1 (1969)
standard by American Petroleum Institute, 04/01/1969

Manual of Petroleum Measurement Standards Chapter 14.14 Venturi Metering of Natural Gas and Other Related Hydrocarbon Fluids, First Edition
Handbook / Manual / Guide by American Petroleum Institute, 03/01/2023

Flanged Steel Pressure-relief Valves, Eighth Edition
standard by American Petroleum Institute, 08/01/2023

Recommended Practice for Permanent Magnet Motor Safety, First Edition
standard by American Petroleum Institute, 03/01/2023

Heat Treatment and Testing of Carbon, Micro-alloyed, and Low-alloy Steel Wrought and Cast Components, Third Edition
standard by American Petroleum Institute, 03/01/2023